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New theories propose that catastrophic impacts of asteroids

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New theories propose that catastrophic impacts of asteroids [#permalink] New post 18 Jan 2008, 01:09
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532. New theories propose that catastrophic impacts of asteroids and comets may have caused reversals in the Earth’s magnetic field, the onset of ice ages, splitting apart continents 80 million years ago, and great volcanic eruptions.

(A) splitting apart continents
(B) the splitting apart of continents
(C) split apart continents
(D) continents split apart
(E) continents that were split apart
[Reveal] Spoiler: OA

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Re: SC1000 #532 [#permalink] New post 18 Jan 2008, 02:44
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walker wrote:
532. New theories propose that catastrophic impacts of asteroids and comets may have caused reversals in the Earth’s magnetic field, the onset of ice ages, splitting apart continents 80 million years ago, and great volcanic eruptions.

(A) splitting apart continents - is a participle, therefore not correct for parallelism.
(B) the splitting apart of continents - noun because the article "the" changes the participle "splitting apart" into a noun, therefore it looks good
(C) split apart continents - verb, therefore no
(D) continents split apart - although this option starts with a noun, none of the other items on the list has a verb. therefore, "split" ruins the parallel structure.
(E) continents that were split apart- no where in the other items in the list has any relative pronouns


I would say B because we have a list of nouns, and some nouns have adjectives as well. Adjectives don't interfere with the nouns, so we have to look for an answer choice that would have either a noun or a noun with an adjective.
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Re: New theories propose that catastrophic impacts of asteroids [#permalink] New post 01 Nov 2013, 21:51
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Re: SC1000 #532 [#permalink] New post 18 Jan 2008, 03:29
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OA is B.
Thanks for good explanation!
+1
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Re: SC1000 #532 [#permalink] New post 18 Jan 2008, 07:36
you're welcome man, you've helped me so much with my previous problems and i never had the chance to help you out. that is the least thing i could do! :)
take care
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Re: SC1000 #532 [#permalink] New post 18 Jan 2008, 07:58
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Thanks :-D
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Re: SC1000 #532 [#permalink] New post 18 Jan 2008, 22:50
Sentence has “nouns” parallelism issue

(A) splitting apart continents (“splitting” acts as a participle, but require a noun – Eliminate it)
(B) the splitting apart of continents (“the splitting” is a gerund – Hold it)
(C) split apart continents (Not parallel – Eliminate it)
(D) continents split apart ( Not parallel – Eliminate it)
(E) continents that were split apart ( Not parallel – Eliminate it)


Answer: B
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Re: New theories propose that catastrophic impacts of asteroids [#permalink] New post 14 Sep 2012, 20:21
119) New theories propose that catastrophic impacts of asteroids and comets may have caused reversals in the Earth’s magnetic field, the onset of ice ages, splitting apart continents 80 million years ago, and great volcanic eruptions.

(A) splitting apart continents
(B) the splitting apart of continents
(C) split apart continents
(D) continents split apart
(E) continents that were split apart

The imp thing in the question is check the construction : Cause -> Effect

New theories propose that catastrophic impacts of asteroids and comets may have caused
reversals in the Earth’s magnetic field,
the onset of ice ages,
splitting apart continents 80 million years ago,
and great volcanic eruptions.

Now these 4 should be parallel - the splitting apart of continents ( complex gerund mostly constructed by the +simple gerund+ of ..)
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Re: New theories propose that catastrophic impacts of asteroids [#permalink] New post 09 Nov 2013, 09:34
walker wrote:
532. New theories propose that catastrophic impacts of asteroids and comets may have caused reversals in the Earth’s magnetic field, the onset of ice ages, splitting apart continents 80 million years ago, and great volcanic eruptions.

(A) splitting apart continents
(B) the splitting apart of continents
(C) split apart continents
(D) continents split apart
(E) continents that were split apart


...may have caused:
1) reversals in the Earth’s magnetic field
2) the onset of ice ages
3) _______________
4) great volcanic eruptions

what's going on here? 2 elements in the list don't have "the", and 1 does? how come this is parallel? I think it should either be:

1) reversals in the Earth’s magnetic field
2) onset of ice ages
3) splits of continents
4) great volcanic eruptions
or
1) the reversals in the Earth’s magnetic field
2) the onset of ice ages
3) the splitting of continents
4) the great volcanic eruptions
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Re: SC1000 #532 [#permalink] New post 22 Dec 2013, 03:09
tarek99 wrote:
walker wrote:
532. New theories propose that catastrophic impacts of asteroids and comets may have caused reversals in the Earth’s magnetic field, the onset of ice ages, splitting apart continents 80 million years ago, and great volcanic eruptions.

(A) splitting apart continents - is a participle, therefore not correct for parallelism.
(B) the splitting apart of continents - noun because the article "the" changes the participle "splitting apart" into a noun, therefore it looks good
(C) split apart continents - verb, therefore no
(D) continents split apart - although this option starts with a noun, none of the other items on the list has a verb. therefore, "split" ruins the parallel structure.
(E) continents that were split apart- no where in the other items in the list has any relative pronouns


I would say B because we have a list of nouns, and some nouns have adjectives as well. Adjectives don't interfere with the nouns, so we have to look for an answer choice that would have either a noun or a noun with an adjective.


Why "split" in B is not past participle and therefore parallel to "volcanic eruptions" ?
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Re: SC1000 #532 [#permalink] New post 22 Dec 2013, 05:08
Skag55 wrote:
tarek99 wrote:
walker wrote:
532. New theories propose that catastrophic impacts of asteroids and comets may have caused reversals in the Earth’s magnetic field, the onset of ice ages, splitting apart continents 80 million years ago, and great volcanic eruptions.

(A) splitting apart continents - is a participle, therefore not correct for parallelism.
(B) the splitting apart of continents - noun because the article "the" changes the participle "splitting apart" into a noun, therefore it looks good
(C) split apart continents - verb, therefore no
(D) continents split apart - although this option starts with a noun, none of the other items on the list has a verb. therefore, "split" ruins the parallel structure.
(E) continents that were split apart- no where in the other items in the list has any relative pronouns


I would say B because we have a list of nouns, and some nouns have adjectives as well. Adjectives don't interfere with the nouns, so we have to look for an answer choice that would have either a noun or a noun with an adjective.


Why "split" in B is not past participle and therefore parallel to "volcanic eruptions" ?


<splitting apart of continents> is a gerund phrase, not a participle.

How to differentiate between a gerund phrase and a participle phrase ...
Consider the following sentences.
Splitting apart continents, the force was responsible for the spread of super continents.
The underlined part is a present participle phrase which modifies "force"

The catastrophic impacts of asteroids and comets may have caused splitting apart of continents
The underlined part is a gerund phrase. It functions as a noun (object). It doesn't modify anything.
In option A, a participle phrase is used. So, it's not parallel to noun phrases or nouns.
In option B, the error is corrected by using the gerund phrase.
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Re: New theories propose that catastrophic impacts of asteroids [#permalink] New post 06 Jan 2014, 03:40
walker wrote:
532. New theories propose that catastrophic impacts of asteroids and comets may have caused reversals in the Earth’s magnetic field, the onset of ice ages, splitting apart continents 80 million years ago, and great volcanic eruptions.

(A) splitting apart continents
(B) the splitting apart of continents
(C) split apart continents
(D) continents split apart
(E) continents that were split apart



They simply want to test if we understand a specific form of parallelism:

When you have >2 parallel entities, you have to have "and" before the LAST entity. Since "and" precedes "eruptions", we know that whatever we're supposed to put in needs to be parallel to the entities that come before. "Reversals in THE magnetic field... THE onset... [THE splitting apart]...AND great volcanic eruptions"

Only B works.
Re: New theories propose that catastrophic impacts of asteroids   [#permalink] 06 Jan 2014, 03:40
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